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What exactly do the ventilated seats do?

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Old May 26, 2015 | 08:43 AM
  #1  
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What exactly do the ventilated seats do?

I thought my ventilated seats were not working, and actually called for an appointment with my dealer to have them checked out.

I'd been feeling for air flow under and around the seats, and could feel nothing, so I thought they might not be working. Then the other day, while sitting in the driveway, my wife noticed the sound of a fan coming from her seat. The sound changed with her seat settings, and stopped when turned off. I checked my seat, and heard the fan as well. So, apparently, the ventilated seat function is working.

I still don't know what part of the seat is ventilated ... and can it be felt with your hand? I have yet to feel any air flow coming from either front seat.

Last edited by StanNH; May 26, 2015 at 08:55 AM.
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Old May 26, 2015 | 09:49 AM
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Four fans per seat, two in the seat ad two in the backrest, they are pretty weak, it may not be possible to feel air flow with your bare hand.
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Old May 26, 2015 | 10:10 AM
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Hi Stan, ask your dealer to take a good feel the seats of another Mercedes. After they say, 'excuse me, you wanna feel what', you'd be able to see if yours abnormal.

Mine feel noticeable, but subtle and diffuse. There's not a lot of difference between low and high. I had another car which directed the vented seat air it right at the back side, and it felt a bit too personal. MB did it right for the hot weather we have here.
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Old May 26, 2015 | 10:13 AM
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Originally Posted by StanNH
I thought my ventilated seats were not working, and actually called for an appointment with my dealer to have them checked out.

I'd been feeling for air flow under and around the seats, and could feel nothing, so I thought they might not be working. Then the other day, while sitting in the driveway, my wife noticed the sound of a fan coming from her seat. The sound changed with her seat settings, and stopped when turned off. I checked my seat, and heard the fan as well. So, apparently, the ventilated seat function is working.

I still don't know what part of the seat is ventilated ... and can it be felt with your hand? I have yet to feel any air flow coming from either front seat.
lol......I don't think it's for keeping your hands dry.....
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Old May 26, 2015 | 10:13 AM
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I hear mine but can barely feel them.
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Old May 26, 2015 | 11:15 AM
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In the UK the output must be really poor - so much so that MB decided (for us) we didn't need it!

It's a shame really, there are probably, at least, three days a year where we can switch off the heated seats (or so it seems) and would appreciate the coolers. Jags offer them, so too do most of the larger SUVs.

Oh well, bit like the 360 camera - another option I would have liked, but can't have.
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Old May 26, 2015 | 11:56 AM
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Originally Posted by Boudicca
lol......I don't think it's for keeping your hands dry.....
I use the paper towel dispenser that comes with the US Interior Package for that, Queen Boudicca.
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Old May 26, 2015 | 02:53 PM
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Yea...the MBUSA towel dispensing package...I think I found a pic of it (Child portion of the dispenser not included standard, but if added, she'll hand you a towel if you use Comand system and say "Towel Please")


Last edited by floridadriver; May 26, 2015 at 03:03 PM.
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Old May 26, 2015 | 04:13 PM
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Do I have to turn this on somehow? I've never noticed it..

edit: nvm, thought this was standard.

Last edited by nbar1; May 26, 2015 at 04:17 PM.
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Old May 26, 2015 | 05:56 PM
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this is too bad.... well ventilated seats are amazing. Having them in my Overland Grand Cherokee makes me think I could never live without.
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Old May 26, 2015 | 07:52 PM
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The output of the ventilated seats is weak, but noticeable. Hard to believe but it's better than Lexus and Toyota vehicles.

It is more noticeable if you activate it after being parked in the shade, rather than the seats being exposed to direct sunlight.
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Old May 26, 2015 | 09:10 PM
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I used it on my sister's Optima on a hot day, and it felt like I had cold sweat. lol
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Old May 26, 2015 | 09:58 PM
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These ventilated seats are the worst around

However it works ideally when the cabin temp is very cool... As the intake is behind the seats... It's too bad some AC can't be routed to the intakes

Someone said they bought those taxicab bead seat covers and it (lol!!) improved airflow to their swamp a$$ to make the vents more usable... True story

Something to consider
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Old May 26, 2015 | 10:46 PM
  #14  
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I've never used the ventilated seats

What do they feel like?

and what happens if you use them with the heated seats? do you get warm/hot air?
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Old May 26, 2015 | 11:18 PM
  #15  
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This was a feature I was really looking forward to and was greatly disappointed.
Only way you can possibly feel anything is once the cabin is super cold.
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Old May 27, 2015 | 12:25 AM
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Seat swap

Any idea if a 2003 lower drivers side seat cushion from a e350 will directly bolt in to a 2007 e350? The cushions look almost identical
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Old May 27, 2015 | 07:43 AM
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is this your first MB?
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Old May 27, 2015 | 07:51 AM
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Originally Posted by hyperion667
is this your first MB?
For me, yes. Overall, I am very impressed with the car, but it certainly does have its oddities. The "delicate" nature of the ventilated seats is odd, but the inability of the car to tell you that a door is ajar is really strange. You get all sorts of transmission/Park notifications, but then it leaves it up to your own investigative skills to try to figure out what it really means.
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Old May 27, 2015 | 01:50 PM
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Just happened to see this thread on the home page. Nice to know MB has not managed to improve this option since my car was built in 2008. It's so dumb I forget I have it. If your back is already sweaty, then you can sense that your back feels a bit cooler, but it's so subtle that it could almost be your imagination. Having said that, I'd still buy it, at least in my car, because to me the perforated leather looks so much better than the smooth leather.
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Old May 27, 2015 | 03:34 PM
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call me crazy but I can feel 'cooler' than normal air in my seat: my E class sucked, but they work well in the S
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Old May 27, 2015 | 04:27 PM
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guys, this sounds like a fundamental misunderstanding of the operation here.

The fans do not blow through the holes in the seat but rather suck air through the holes in the seat and blow it out the back of the seat.

They are not cooled.

Some w211 guys have gone to bigger and more powerful computer fans to increase the feeling, but they are a bit noisy and require some cutting of the seat insides.
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Old May 27, 2015 | 04:33 PM
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I know they are not cooled - but air moving across a sweaty back feels cooler. If it didn't, then these would be totally useless. As for direction of flow, never really paid much attention because it hardly matters given how little flow there is in any direction.
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Old May 28, 2015 | 02:16 PM
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I tried my ventilated seats today for the first time, it was surprisingly strong. I could definitely feel it in my bottom and lower back side.
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Old May 28, 2015 | 02:52 PM
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Originally Posted by Xzer0
I tried my ventilated seats today for the first time, it was surprisingly strong. I could definitely feel it in my bottom and lower back side.
Were you wearing clothes?
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Old May 28, 2015 | 03:58 PM
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^lol
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